binding/mdsal-binding-dom-codec/src/main/java/org/opendaylight/mdsal/binding/dom/codec/impl/CodecPackage.java

   1 /*
   2  * Copyright (c) 2022 PANTHEON.tech, s.r.o. and others.  All rights reserved.
   3  *
   4  * This program and the accompanying materials are made available under the
   5  * terms of the Eclipse Public License v1.0 which accompanies this distribution,
   6  * and is available at http://www.eclipse.org/legal/epl-v10.html
   7  */
   8 package org.opendaylight.mdsal.binding.dom.codec.impl;
   9
  10 import static com.google.common.base.Preconditions.checkArgument;
  11 import static java.util.Objects.requireNonNull;
  12
  13 import org.eclipse.jdt.annotation.NonNull;
  14 import org.opendaylight.mdsal.binding.loader.BindingClassLoader;
  15 import org.opendaylight.mdsal.binding.loader.BindingClassLoader.ClassGenerator;
  16 import org.opendaylight.yangtools.yang.binding.contract.Naming;
  17
  18 /**
  19  * Centralized registry of Java package names used by classes generated by codec components.
  20  */
  21 enum CodecPackage {
  22     /**
  23      * Package holding {@link CodecDataObject}s, {@link CodecOpaqueObject}s and similar.
  24      */
  25     CODEC("org.opendaylight.yang.rt.v1.obj"),
  26     /**
  27      * Package holding {@link DataObjectStreamer}s.
  28      */
  29     STREAMER("org.opendaylight.yang.rt.v1.stream"),
  30     /**
  31      * Package holding @link EventInstantAware} specializations of {@code notification} objects.
  32      */
  33     EVENT_AWARE("org.opendaylight.yang.rt.v1.eia");
  34
  35     private static final int PACKAGE_PREFIX_LENGTH = Naming.PACKAGE_PREFIX.length();
  36
  37     private String packagePrefix;
  38
  39     CodecPackage(final String packagePrefix) {
  40         this.packagePrefix = requireNonNull(packagePrefix);
  41     }
  42
  43     <T> @NonNull Class<T> generateClass(final BindingClassLoader loader, final Class<?> bindingInterface,
  44             final ClassGenerator<T> generator) {
  45         return loader.generateClass(bindingInterface, createFQCN(bindingInterface), generator);
  46     }
  47
  48     @NonNull Class<?> getGeneratedClass(final BindingClassLoader loader, final Class<?> bindingInterface) {
  49         return loader.getGeneratedClass(bindingInterface, createFQCN(bindingInterface));
  50     }
  51
  52     private @NonNull String createFQCN(final Class<?> bindingInterface) {
  53         final var ifName = bindingInterface.getName();
  54         checkArgument(ifName.startsWith(Naming.PACKAGE_PREFIX), "Unrecognized interface %s", bindingInterface);
  55         return packagePrefix + ifName.substring(PACKAGE_PREFIX_LENGTH);
  56     }
  57 }